Home / 346,485,904.60-520,022,789.70-142,160,618.20

Finding the Fourth Proportional to 346,485,904.60, 520,022,789.70 and 142,160,618.20

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Solution

The fourth proportional to 346,485,904.60, 520,022,789.70 and 142,160,618.20 is: 213,361,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,485,904.60 : 520,022,789.70 = 142,160,618.20 : x
  2. Step 2: Convert to fraction form
    346,485,904.60/520,022,789.70 = 142,160,618.20/x
  3. Step 3: Cross multiply
    346,485,904.60x = 520,022,789.70 × 142,160,618.20
  4. Step 4: Simplify right side
    346,485,904.60x = 73,926,761,261,840,592
  5. Step 5: Solve for x
    x = 73,926,761,261,840,592/346,485,904.60
  6. Step 6: Final answer
    x = 213,361,525.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.